Tampa Bay Rays pitcher Chris Archer took his friendly beef with the Houston Astros mascot to a new level on Monday night.

Archer issued a “Declaration of Unfriendliness” to the prank-minded Orbit.

According to the Declaration, “A STATE OF DISCORD” has existed between the two and Archer vows to retaliate with “a campaign of PRANKS, GAGS AND HIGH JINKS (sic).” You can see the full text of the letter below.

“Whereas general mischief and rascality has been among Orbit’s repeated trespasses, Chris Archer is hereby resolved to carry on a campaign of pranks, gags and high jinks in retaliation which include, but are not limited to, use of objects such as: